Stamping, Verifying, and Setting PDF Seals


If you have a PDF Seal file created with PDF Seal creation option, you can use SkyPDF Standard/Professional (Ver.7.0.7 or later) to stamp with the PDF Seal. 

You can also use SkyPDF Viewer (Ver.7.0.7 or later) to confirm stamping history. There is no need to purchase any options in order to stamp PDF seals and confirm stamping history. 

CONTENTS

Stamping PDF Seals

Professional Standard Professional(TS)
  1. Select [Stamp] in the ‘PDF Seal’ group of the [Signature/Seal] menu.
  2. If the PDF Seal selection screen appears, select the PDF Seal you want to use or add a new one, and press [OK]. 
    • This procedure can be skipped from next time by selecting a PDF Seal and setting it to [Always use these settings and omit seal settings when stamping seal]. The seal to be used can be changed afterwards from [PDF Seal settings]. 
  3. The imprint will be displayed in the position of the mouse pointer. Move the pointer to the position where you want to stamp the seal. 
  4. Press [Save] button and the seal will be immediately applied to PDF file and saved.
    When you press [Save As] button, [Save As] dialog will be shown. Specify a place to save. 
  5. Confirm that the imprint has been added at the desired position, and the process is complete.

During stamping, you may be asked to input an image or signature as stamper information. Please input as necessary.

  • When taking a photo is required, connect a camera device to the computer. 
  • If an error message stating "The specified PDF Seal can be used with SkyPDF Touch Ink for win. Please inquire with an administrator." appears, the PDF Seal was created to require a signature. The Touch Ink for win option is needed to enter your signature. 

Verifying PDF Seals

Professional Standard Viewer Professional(TS)
  1. Open the PDF file stamped with the PDF Seal in this product.
  2. Select [Verification] in the ‘PDF Seal’ group of the [Signature/Seal] menu.
  3. Stamping history will be displayed.
    To confirm more details, select the history and press [Details]. 
  4. You can confirm details such as the name, ID, company name, affiliation, and position set in the PDF Seal, as well as the date and time of stamping and the device ID used for stamping.
    If an image or signature has been input, you can also confirm the image and signature information.
    Verification result
    The stamp is valid. There is no tampering. The PDF has not been edited since the stamping.
    The stamp is valid. Additional editing to annotations, signature, etc. are made after stamping. The PDF has been edited since the stamping.
    The seal data may have been tampered with. The imprint image may have been tampered with.
    The stamp is invalid. The document may have been tampered with. The document may have been tampered with.
    Reconstructive saving after stamping is detected as tampering.
    PDF merging, splitting, and page extraction after stamping are detected as tampering. Some information, such as the stamper’s image, may not be displayed.

Setting PDF Seals

Professional Standard Professional(TS)

When select [Option] in the ‘PDF Seal’ group of the [Signature/Seal] menu, you can pre-set up to 20 PDF Seals to use for stamping.
The pre-set PDF Seals can be selected when stamping.

(PDF Seal list) Added PDF Seals can be selected using the dropdown list. 
Add

Add new PDF Seal to settings.

Select the PDF Seal file you want to add, enter the password, and press [OK] to add it.
When [Save Password] is on, the step of entering the password when stamping the seal can be skipped.

  • To delete a saved password, [Delete] the PDF Seal settings once and then [Add] a password again. 
Delete Delete selected PDF Seal from settings.
Property Confirm properties of selected PDF Seal.
You can change the company name, department, position, and password for PDF Seal use.
  • If an administrator password is set for the PDF seal file, you can change the company name, department, position, and password for PDF Seal use by using a product edition that allows PDF seal creation. You need to enter the administrator password to change the password for PDF Seal use.
Show date below imprint Show date in specified format below stamp face of PDF Seal. 
Register the image as the stamper information Set an image even if the PDF Seal is not set to require adding an image when stamping. 
Sign as the stamper information
TouchInk
Touch Ink for win option function.
Even if the PDF Seal is not set to require entering a handwritten signature, the handwritten signature input screen will be displayed when stamping the seal.
Always use these settings and omit seal settings when stamping seal Omit display of this settings screen pressing seal.